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Cover Page - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2024
Feb. 07, 2025
Jun. 30, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 033-90866    
Entity Registrant Name WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION    
Entity Incorporation, State or Country Code DE    
EIN 25-1615902    
Entity Address, Address Line One 30 Isabella Street    
Entity Address, City or Town Pittsburgh    
Entity Address, State or Province PA    
Entity Address, Postal Zip Code 15212    
City Area Code 412    
Local Phone Number 825-1000    
Title of 12(b) Security Common Stock, par value $.01 per share    
Trading Symbol WAB    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Emerging Growth Company false    
Entity Small Business false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 24.4
Entity Common Stock, Shares Outstanding (in shares)   170,848,147  
Documents Incorporated by Reference
Portions of the Proxy Statement for the registrant’s Annual Meeting of Stockholders to be held on May 15, 2025 are incorporated by reference into Part III of this Form 10-K.
    
Entity Central Index Key 0000943452    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Amendment Flag false